Easy To Use Patents Search & Patent Lawyer Directory

At Patents you can conduct a Patent Search, File a Patent Application, find a Patent Attorney, or search available technology through our Patent Exchange. Patents are available using simple keyword or date criteria. If you are looking to hire a patent attorney, you've come to the right place. Protect your idea and hire a patent lawyer.

Searching: audio signal





Search by keyword, patent number, inventor, assignee, city or state:




Patent # Description
US-8,712,018 Testing apparatus and testing method for telephone apparatus
A testing apparatus and a testing method for a telephone apparatus are disclosed. The testing apparatus includes an audio generator, an audio signal processor,...
US-8,711,837 Methods, apparatus, and systems for facilitating control communications between disparate devices
An access node for facilitating communications between disparate devices is disclosed. The access node includes an access communication device (ACD) interface...
US-8,711,736 Audio processing in a multi-participant conference
A first computing device distributes audio signals to several computing devices of participants in a communication session. In some embodiments, the first...
US-8,711,283 Digital broadcast receiver and method for processing caption thereof
A digital cable broadcast receiver and a method for automatically processing caption data of various standards and types, is disclosed. The digital broadcast...
US-8,711,282 Digital broadcast receiver and method for processing caption thereof
A digital cable broadcast receiver and a method for automatically processing caption data of various standards and types, is disclosed. The digital broadcast...
US-8,711,281 Digital broadcast receiver and method for processing caption thereof
A digital cable broadcast receiver and a method for automatically processing caption data of various standards and types, is disclosed. The digital broadcast...
US-8,710,922 Method and apparatus for filter-less class D audio amplifier EMI reduction
An audio system includes a speaker and a class D amplifier with a class-D PWM (pulse width modulation) modulator configured for generating first and second PWM...
US-8,708,575 Active optical connector using audio port
An active optical connector using an audio port includes a plug insertable into a jack having an optical transceiver module. A conductor is mounted on the plug....
US-8,707,785 On-board ultrasonic frequency spectrum and image generation
A portable apparatus for determining testing the condition of a machine or device using ultrasonic signals with an array of ultrasonic sensors for receiving an...
US-8,707,373 Method and system for providing digital video distribution
An approach is provided for distributing multi-media information from a satellite broadcast system. A hub receives a signal from the satellite broadcast system,...
US-8,707,362 Data broadcast receiver and method for gathering data broadcasting application
A data broadcast receiver includes a broadcast signal receiving unit receiving broadcast signals corresponding to a selected channel, a signal separating unit...
US-8,706,508 Audio decoding apparatus and audio decoding method performing weighted addition on signals
An audio decoding apparatus and method are provided. The audio decoding apparatus includes a spectrum converting part configured to divide the first frequency...
US-8,706,507 Arbitrary shaping of temporal noise envelope without side-information utilizing unchanged quantization
In a first aspect, arbitrary shaping of the temporal envelope of noise is provided in spectral domain coding systems without the need of side-information. In...
US-8,706,496 Audio signal transforming by utilizing a computational cost function
A sequence is received of time domain digital audio samples representing sound (e.g., a sound generated by a human voice or a musical instrument). The time...
US-8,706,480 Audio encoder for encoding an audio signal having an impulse-like portion and stationary portion, encoding...
An audio encoder for encoding an audio signal includes an impulse extractor for extracting an impulse-like portion from the audio signal. This impulse-like...
US-8,706,278 Non-bussed vehicle amplifier diagnostics
Non-bussed amplifier diagnostics are implemented for a vehicle. The vehicle includes an amplifier that includes a computer processor and a memory unit...
US-8,706,274 Information processing apparatus, information processing method, and program
An information processing apparatus is provided which includes a metadata extraction unit for analyzing an audio signal in which a plurality of instrument...
US-8,706,273 Apparatus and method for conveying audio signals from an input locus to an output locus
An apparatus for conveying audio signals from an input locus to an output locus remote from the input locus includes: (a) a multi-pin unit configured for...
US-8,706,272 Adaptive encoding and compression of audio broadcast data
Various techniques for adaptively encoding and compressing audio broadcast data to create a digital representation of the broadcast for storage on an electronic...
US-8,706,248 Directional sound processing in a cochlear implant
A cochlear implant implementing a directional sound processing system is provided. Specifically, the cochlear implants implementing the present invention...
US-8,706,247 Remote audio processor module for auditory prosthesis systems
An exemplary auditory prosthesis system includes an auditory prosthesis configured to be implanted within a head of a patient and to apply electrical...
US-8,706,246 Fully implantable cochlear implant systems including optional external components and methods for using the same
An exemplary cochlear implant system includes an external module configured to be positioned external to and worn by a patient, the external module having an...
US-8,706,038 Wireless earphone for use in Bluetooth piconets
An audio device includes a Bluetooth receiver, a Bluetooth transmitter, a speaker and a housing. The Bluetooth receiver is capable of wirelessly receiving...
US-8,705,941 Apparatus and method of processing information and program
The present invention relates to an information processing apparatus, an information processing method, and a program which are capable of rapidly and...
US-8,705,791 Method and system for utilizing GPS information to secure digital media
A device such as a set-top-box, digital TV, DVD player, multi-media player, cellular telephone or digital cinema player that may handle data such as multimedia...
US-8,705,784 Acoustic in-ear detection for earpiece
An apparatus comprising an earpiece and a signal processor is disclosed. The earpiece is suitable to be applied at an auditory opening of a user's ear. The...
US-8,705,781 Optimal spatial filtering in the presence of wind in a hearing prosthesis
The present application discloses methods, systems, and hearing prostheses for reducing wind noise and/or thermal noise in an audio signal transmitted to the...
US-8,705,780 Audio apparatus, audio signal transmission method, and audio system
An audio apparatus, an audio signal transmission method, and an audio system are provided. The audio signal transmission method includes: wirelessly receiving...
US-8,705,779 Surround sound virtualization apparatus and method
A surround sound virtualization apparatus and method. The surround sound virtualization apparatus may include an audio decoder to perform head-related transfer...
US-8,705,778 Method and apparatus for generating and playing audio signals, and system for processing audio signals
A method for generating and playing audio signals and a system for processing audio signals are disclosed. The method for generating audio signals includes:...
US-8,705,773 Audio amplifier
An audio amplifier includes a compensation unit, an output unit and a calibration unit. The compensation unit generates a compensation signal based on a digital...
US-8,705,771 Line-in signal dynamic range enhancement for output of charge pump based audio amplifier
Separate control of the operation of an audio amplifier and a charge pump that synthesizes a negative voltage supply (VSS) for improving the dynamic range of...
US-8,705,770 Method, device, and system for mixing processing of audio signal
A method, a device and a system for mixing processing of an audio signal are provided in the embodiments of the present invention. The method includes: judging...
US-8,705,758 Audio processing device and method for reducing echo from a second signal in a first signal
An audio processing device for reducing the effect on a first signal of echo from a second signal, the device comprising: an echo reduction processor for...
US-8,705,753 System for processing sound signals in a vehicle multimedia system
The present invention relates to a method for processing sound signals in a vehicle multimedia system. A sound signal is recorded by a microphone. A voice...
US-8,705,752 Low frequency noise reduction circuit architecture for communications applications
A noise reduction circuit for reducing the effects of low frequency noise such as wind noise in communications applications is described. In one embodiment, the...
US-8,705,750 Device and method for converting spatial audio signal
An audio processor for converting a multi-channel audio input signal, such as a B-format sound field signal, into a set of audio output signals, such as a set...
US-8,705,749 Audio signal transformatting
This invention relates to reformatting a plurality of audio input signals from a first format to a second format by applying them to a dynamically-varying...
US-8,705,747 Object-based 3-dimensional audio service system using preset audio scenes
Provided are an object-based three dimensional (3-D) audio service system using preset audio scenes and a method thereof. The system and the method are...
US-8,705,727 Methods and apparatus for enhancing ringback tone quality during telephone communications
A system for enhancing tonal quality for ringback signals in a telecommunications network by adjusting audio processing during an alerting interval of a...
US-8,705,719 Speakerphone and conference bridge which receive and provide participant monitoring information
Disclosed herein are methods, systems, and devices for improved audio, video, and data conferencing. The present invention provides a conferencing system...
US-8,705,702 Emergency communications system
A communications terminal facilitates signaling emergency alerts and monitoring. The terminal is operative in response to user input to generate emergency...
US-8,705,320 Audio localization using multilateration
Systems and methods for providing audio localization are provided. In some aspects, a method includes receiving phase offsets of a plurality of fixed...
US-8,705,234 Answer bracelet
An answer bracelet suitable for wearing an a person's wrist. A rigid hollow housing having a transparent top cover is attached to a wrist band and houses a...
US-8,704,947 Wireless AV transmission and receiver modules, portable wireless AV transmission and receiver devices, and AV...
A wireless audio-video (AV) transmission module is to be disposed in an AV source device. The AV source device includes an AV source unit for generating an AV...
US-8,704,533 Method and apparatus to measure differential phase and frequency modulation distortions for audio equipment
A testing method or apparatus utilizes multiple frequencies applied to a device under test for measuring newly discovered frequency modulation effects. An...
US-8,704,073 Interactive digital music recorder and player
A digital multi-media device provides features for a user unskilled in musical arts or sound handling techniques that provides automatic musical score...
US-8,701,990 Providing service to a customer service center
A system includes automated banking machines that operate responsive to data read from data bearing records. Transactions can be carried out through...
US-8,701,144 Digital broadcasting system and method of processing data in digital broadcasting system
A digital broadcasting system and a method for processing data in the same are disclosed. A method for controlling a digital television (DTV) located in one...
US-8,700,407 Systems and methods for recognizing sound and music signals in high noise and distortion
A method for recognizing an audio sample locates an audio file that closely matches the audio sample from a database indexing a large set of original...
← Previous | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 | Next →

File A Patent Application

  • Protect your idea -- Don't let someone else file first. Learn more.

  • 3 Easy Steps -- Complete Form, application Review, and File. See our process.

  • Attorney Review -- Have your application reviewed by a Patent Attorney. See what's included.